Method of drying molds



T. P. ANTHONY. METHOD OF DRYING MOLDS.

1,386,593. I APPLICAT'ON FILED AUG. 26, 1920- PatentedAug. 9

, 2 SHEETS-SHEET 1.

INVENTOR. ML?

5 ATTORNEY T. P. ANTHONY. METHOD OF DRYING MOLDS. APPLICAUON .HLED AUG-26' 1920..

WITNESS- INVENTOR ATTORNEY UNITED STATES PATENT OFFICE.

THOMAS P. ANTHONY, 0F EDGEWATER PARK, NEW JERSEY, ASSIGNOR T0 UNITED STATES CAST IRON PIPE & FOUNDRY COMPANY, A CORPORATION OF NEW JERSEY.

To all whom it may concern:

Be it known that I, THoMAs P. ANTHONY, a citizen of the United States of America, and resident of Edgewater Park, in the county of Burlington and State of New Jersey, have invented a certain new and useful Improvement in Methods of Drying Molds, of which the following is a true and exact description, reference being had to the accompanying drawings, which form a part thereof.

My invention relates to the drying of pipe molds and has for its object to provide a method for drying such pipe molds rapidly, uniformly and with economy in the use of gas. Broadly speaking, my new method consists in connecting the tubes of the vertically held molds and passing burner gases through the connected molds from the bottom of one upward through it and then downwardi through the connecting mold. By preference, the heating gases are passed through the molds alternately in opposite directions.

The nature of my invention and what I believe to be the best method of carrying it into effect will be understood as described in connection with the drawings in which Figure 1 is an elevation showing the edge of a turntable carrier to which a double mold flask is attached the flask of molds therein being shown in vertical section, a

device being also shown for connecting the tubes of the molds and burners being indicated as in registry with the bottoms of the molds.

Fig. 2 is a plan view of the portion of the turntable shown in Fig. 1 with five double flasks shown as attached to it and the location of the burners indicated. Only one of the flasks is shown as provided with a cover connecting the double molds.

. Fig. 3 is a front view showing a portion of the turntable such as is shown in Fig. 1 with a number of single mold flasks suspended from it, the flasks being shown in vertical section and shown as provided with cover devices connecting them in pairs. This view also indicates the location of the burners for use with this arrangement of flasks.

Fig. 4 is a plan view of the edge of the turntable and of the flasks, only one pair Specification of Letters Patent.

METHOD OF DRYING MOLDS.

Patented Aug. 9, 1921.

Application filed August 26,1920. Serial No. 406,041.

of flasks being indicated as provided with a cover.

7 A indicates the turntable which is of old and familiar construction the table supporting a peripheral edge indicated at B and a saddle ring indicated at C. D, Figs. 1 and 2, indicates a double mold flask to one edge of which is secured a hook E adapted to hook over the ledge B, the lower part of the flask edge resting against the saddle ring C. F and F indicate the pipe molds in the flask. G is a connector cover which when set on top of the flask, as shown, connects the top of the two molds F and F. H and H indicate burners located in such relation to the turntable that they will register with one of the molds in each flask in each intermittently stationary position of the mold, the burners being also so arranged that they will register alternately with different molds of the flask.

1 and 2, Figs. 3 and 4, are single mold flasks secured to the turntable in the same way as the flask D and connected in pairs by cover conduits G which cover conduits for this use have bottom portions indicated at G which bridge the space between each pair of molds and prevent the escape of gases. In this construction the burners indicated at H are somewhat difl'erently arranged from the arrangement shown in Figs. 1 and 2 but as before their arrangement is such that with the intermittent movement of the molds the burners register alternately with the bottoms first of one and then of the other of connected pairs of molds.

In operation one of the molds is brought to register with the burner H, H or H and the gases from that burner will pass up through the mold space I to the top of the mold, cross over through the space I beneath the cover to the other mold and pass downward through mold space I escaping at the bottom of the mold. After a determinable period the pairs of molds are shifted so that the other of the connected pairs of molds will register with a burner whereupon the burner gases will again pass through the molds but in the opposite direction.

Very obviously by my method of drying molds the heat of the burning gases is availed of to the greatest possible extent; both of the pairs of connected molds are subject to similar conditions as to heating and a fewer number of burners can be employed.

Having now described my I claim as new and desire to secure by Letters Patent, is:

1. The method of drying pipe molds which consists in connecting the tops of two vertically held molds and passing drying gases through the connected molds from the bottom of one to the bottom of the other.

2. The method of drying pipe molds 15 which consists in connecting the tops of two invention, what vertically held molds and passing drying gases through the connected molds from the bottom of one to the bottom of the other in alternately reversed direction.

3. The method of drying pipe molds which consists'in suspending the molds on an intermittently moving carrier having burners arranged to register with one of each pair of molds in each intermittently stationary position of the molds, connecting the tops of the molds in pairs and shifting the pairs of molds so that each mold of a pair will alternately register with a burner.

' THOS; Pi ANTHONY.

DI$OLAlMER.

1,386,593.T/L0ma8 P. Aitlt/LORZ], Edgewater Park, N. J. METHOD or DRYING lflonns. Patent dated August 9, 192-1. Disclaimer filed March 17, 1922, by the patentee and the assignee, United States Cast Iron Pipe (t Foundry ("0. Enter this disclaimer To the entire subject matter or" the claims of said specification which are in the following words v to wit: 7

l. The method of drying pipe molds which consists in connecting the tops oi two vertically held molds and passing drying gases through the connected molds from the bottom of one to the bottom of the other.

The method of drying pipe molds which consists in connecting the tops of two vertically held molds and passing drying through the connected molds from the bottom of one to the bottom of the other in alternately reversed direction.

3. The method of drying pipe molds which consists in suspending the molds on an intermittently moving carrier having burners arranged to register with one of each pair of molds in each intermittently stationary position of the molds, connecting the tops of the molds in pairs and shifting the pairs of molds so that each mold of a pair will alternatelv register with a burner.

[Oyfi'cial Gazette Illa-rah 28, 19329.] 

